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Flow calibrator for air sampler

Mass flow meter 

“ Accurate Reliable Portable on battery Fast speed of response ”
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Field Flow Standard for PM Air Samplers

Alicat’s FP-25 flow calibrator rapidly calibrates every low-volume particulate air sampler on your deck. All-weather accuracy and durability ensure consistent readings in any weather.


Quick Specs Accuracy
  • Flow accuracy (NIST-traceable): +/- 1.0% of the reading  Range: 0.1-25 lpm/slpm
  • Barometric pressure accuracy (NIST-traceable): +/- 1 mmHg  Range: 475-825 mmHg
  • Temperature accuracy (NIST-traceable): +/- 0.2ºC  Range: -30º/+60ºC
Speed of Response
  • Typical flow reading response time constant: 5 ms (may be up to 10 ms under very low flow conditions)
  • Typical temperature and humidity equilibration: less than 5 minutes
Pressure Drop
  • 0.10 psi at 16.7 lpm
  • 0.16 psi at 25.0 lpm
Power and Communications
  • Internal Li-ion rechargeable battery provides 12 hours of continuous operation
  • Battery charging and RS-232 communications via micro-USB jack
Display
  • Simultaneous real-time readings of volumetric flow, standardized mass flow, barometric pressure, temperature (via external probe or internal sensor) and relative humidity
  • 2.1″ monochrome LCD digital display with touch pad interface and backlight
Reliability
  • Calibrator accuracy unaffected by drops, humidity, vibration or changes in orientation during use
  • Limited lifetime warranty, kept active with each annual recalibration
In the Box
  • FP-25 flow calibrator
  • External temperature probe with 6 ft of cable and locking M8 connector
  • Micro-USB to USB cable for charging and communications
  • USB wall adapter for charging
  • 1/4″ NPT barb adapter (1/4″ barb) with integrated face seal
  • 1/4″ NPT fittings with face seals for pass-through connection to 1-1/4″ OD air sampler downtubes
  • NIST-traceable calibration certificate
  • Operating manual
  • Custom-fit hard case
All-Weather Accuracy

Be confident in your flow measurements, no matter the weather. Responsive temp probes and humidity sensors keep the weather in check as you monitor flow, pressure and temperature in real time. Or, collect a robust average of 5000 readings in 5 seconds.

Fast & Easy Operation

Connect quickly to any low-volume sampler with the industry’s only pass-through PM10/PM2.5 inlet connection. Or, use the included barb fitting with face seal for no-hassle fitting changes. Rapid temperature equilibration lets you get started right away.

Durable Field Design

Keep calibrating after a drop from the roof, or finish your audit if it starts to rain. This compact calibrator fits in your pocket but is built tough with an all-aluminum body, weather-resistant connections and the industry’s only lifetime warranty.

Ambient Air Monitoring

Calibrating PM air samplers with the FP-25 is just one way that Alicat makes air monitoring easier. Visit our ambient air monitoring page to learn more.
AMBIENT PAGE

Flow accuracy (NIST-traceable): +/- 1.0% of the reading Range: 0.1-25 lpm/slpm Barometric pressure accuracy (NIST-traceable): +/- 1 mmHg Range: 475-825 mmHg Temperature accuracy (NIST-traceable): +/- 0.2ºC Range: -30º-60ºC Typical flow reading response time constant: 5 ms (may be up to 10 ms under very low flow conditions) Pressure Drop 0.10 psi at 16.7 lpm 0.16 psi at 25.0 lpm 12 hours battery Battery charging and RS-232 communications via micro-USB jack 2.1″ monochrome LCD digital display with touch pad interface and backlight Calibrator accuracy unaffected by drops, humidity, vibration or changes in orientation during use Limited lifetime warranty, kept active with each annual recalibration
Download the complete technical features

Industry PM samplers Air samplers

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Flow sensors Flowmeters (gas) Gas flowmeters Liquid flowmeters Coriolis flow meter Thermal flow meter Vortex effect flow meter  Floater fitted flow meter 

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